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Pandas - Get first row value of a given column
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I'm looping through a bunch of .csv files and reading the first value of a certain column in each. For some reason which I can't explain instead of returning the value this sometimes returns the index along with the value which messes up processing. I resorted ...
Different dependencies for different build profiles
Is it possible to have a different set of dependencies in a maven pom.xml file for different profiles?
2 Answers
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UIViewContentModeScaleAspectFill not clipping
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Ticking 'Clip Subviews' option in NIB file does the same thing. Cheers.
– codeburn
Dec 16 '14 at 10:58
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why is plotting with Matplotlib so slow?
...dows 7, it takes an inordinate amount of time to save
# graphs as .svg files, so on that platform I've disabled the call that does so.
# The first run of a script is still a little slow while everything is loaded in,
# but execution times of subsequent runs are improved immensely.
fi...
CGContextDrawImage draws image upside down when passed UIImage.CGImage
...ct orientation. It turns out it's do the the orientation flag in the image file, so portrait images were, say 960px x 640px with the flag set to "left" - as in the left side is the top (or something close to that). This thread might help: stackoverflow.com/questions/1260249/…
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What is a deadlock?
...me resources. Resource categories may include memory, printers, CPUs, open files, tape drives, CD-ROMS, etc.
Deadlock : Deadlock is a situation or condition when two or more processes are holding some resources and trying to acquire some more resources, and they can not release the resources until ...
How can I iterate over an enum?
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Thanks! Note that if you're crossing files/classes and if MS compatibility is giving you issues with header-declared non-integer constants, it helps under my compiler to explicitly put the size in the type in the header: static const Type All[3]; and then I'm ab...
Does Python have a ternary conditional operator?
...s within a conditional expression:
>>> pass if False else x = 3
File "<stdin>", line 1
pass if False else x = 3
^
SyntaxError: invalid syntax
You can, however, use conditional expressions to assign a variable like so:
x = a if True else b
Think of the conditional exp...
Is Java a Compiled or an Interpreted programming language ?
...ically similar java code since there will always be some portion of .class file that JIT decides not to transform to machine code. In other words, java can never catch bare metal execution speed that C++ has demonstrated. Is this correct assumption?
– DevdattaK
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Pretty git branch graphs
...delete it.
My 2¢: I have two aliases I normally throw in my ~/.gitconfig file:
[alias]
lg1 = log --graph --abbrev-commit --decorate --format=format:'%C(bold blue)%h%C(reset) - %C(bold green)(%ar)%C(reset) %C(white)%s%C(reset) %C(dim white)- %an%C(reset)%C(bold yellow)%d%C(reset)' --all
lg2 = log ...
